Keyphrases
Sildenafil
100%
Cerebral Hemodynamics
100%
Excitability
100%
Headache
66%
Functional Magnetic Resonance Imaging
22%
Migraine
11%
Phosphodiesterase Type 5 Inhibitors
11%
Visual Stimulation
11%
Imaging Response
11%
Visual Evoked Potentials
11%
Cerebral Arteries
11%
Visual-evoked Potential Amplitude
11%
Visual Response
11%
Cyclic GMP
11%
3T MR
11%
CO2 Inhalation
11%
Concurrent Effect
11%
Neuronal Responses
11%
Viagra
11%
Blood Pressure
11%
Cerebrovascular Reactivity
11%
Visual-evoked Potential Latency
11%
Checkerboard
11%
P100
11%
MR Scanners
11%
Maximal Amplitude
11%
Healthy Women
11%
Hypercapnia
11%
Neuronal Excitability
11%
Heart Rate
11%
Potential Measure
11%
Latency
11%
Medicine and Dentistry
Sildenafil
100%
Hemodynamic
100%
Excitability
100%
Headache
60%
Hypercapnic Response
20%
Visual Evoked Potential
20%
Functional Magnetic Resonance Imaging
20%
Migraine
10%
Hypercapnia
10%
Side Effect
10%
Phosphodiesterase V Inhibitor
10%
Cyclic GMP
10%
Exhalation
10%
Ingestion
10%
Visual Stimulation
10%
Blood Pressure
10%
Carbon Dioxide
10%
Neuroscience
Excitability
100%
Sildenafil
100%
Headache
60%
Visual Evoked Potential
20%
Functional Magnetic Resonance Imaging
20%
Cyclic Guanosine Monophosphate
10%
Migraine
10%
Neuronal Excitability
10%
Phosphodiesterase V
10%